Light emitting device

Abstract

A light emitting device comprises a housing and a LED module. The housing comprises a first part and a second part connecting the first part, wherein the first part comprises a first side, a second side and a middle portion connecting the first side and the second side, and a thickness of the first side and a thickness of the second side are thinner than that of the middle portion. The LED module is disposed on the housing for emitting light.

What is claimed is: 
     
       1. A housing of a light emitting device, comprising:
 a first part, wherein the first part comprises a first side, a second side and a middle portion connecting the first side and the second side, and a thickness of the first side and a thickness of the second side are thinner than a thickness of the middle portion and wherein the first part has a first recess and an LED module is disposed within the first recess and disposed on the middle portion; and 
 a second part connecting the first part and having a second recess within which at least one electronic element is disposed to control the LED module, 
 wherein the thickness of the first side gets thinner from an edge of the middle portion to a first free end of the first side, and the thickness of the second side gets thinner from an edge of the middle portion to a second free end of the second side, and 
 wherein the first free end of the first side and the second free end of the second side are extended downward. 
 
     
     
       2. The housing according to  claim 1 , wherein the thickness of the first side is substantially equal to that of the second side. 
     
     
       3. The housing according to  claim 1 , wherein the first side and the second side are formed as a symmetrical structure. 
     
     
       4. The housing according to  claim 1 , wherein the first side is extended downward, and the second side is extended downward. 
     
     
       5. The housing according to  claim 1 , wherein the first side, the second side and the middle portion are extended along a first direction, and the first part comprises a third side and a fourth side opposite to the third side, wherein the middle portion connects the third side and the fourth side, and the third side, the fourth side and the middle portion are extended along a second direction substantially perpendicular to the first direction. 
     
     
       6. The housing according to  claim 5 , wherein a thickness of the third side and a thickness of the fourth side are thinner than a thickness of the middle portion. 
     
     
       7. The housing according to  claim 5 , wherein a thickness of the third side is substantially equal to that of the fourth side. 
     
     
       8. The housing according to  claim 5 , wherein the third side is extended downward and gets thinner from an edge of the middle portion, and the fourth side is extended upward and gets thinner from an edge of the middle portion. 
     
     
       9. The housing according to  claim 5 , wherein a thickness of the fourth side is substantially equal to that of the middle portion, and the thickness of the second part is thinner than that of the fourth side. 
     
     
       10. The housing according to  claim 5 , wherein the third side and the fourth side are formed as an asymmetrical structure. 
     
     
       11. A light emitting device, comprising:
 a housing comprising a first part and a second part connecting the first part, wherein the first part comprising a first side, a second side and a middle portion connecting the first side and the second side, and a thickness of the first side and a thickness of the second side are thinner than a thickness of the middle portion and wherein the first part has a first recess; and 
 an LED module disposed within the first recess and disposed on the middle portion of the first part of the housing for emitting light, 
 wherein the second part has a second recess within which at least one electronic element is disposed to control the LED module, 
 wherein the thickness of the first side gets thinner from an edge of the middle portion to a first free end of the first side, and the thickness of the second side gets thinner from an edge of the middle portion to a second free end of the second side, and 
 wherein the first free end of the first side and the second free end of the second side are extended downward. 
 
     
     
       12. The light emitting device according to  claim 11 , wherein the thickness of the first side is substantially equal to that of the second side. 
     
     
       13. The light emitting device according to  claim 11 , wherein the first side and the second side are formed as a symmetrical structure. 
     
     
       14. The light emitting device according to  claim 11 , wherein the first side is extended downward, and the second side is extended downward. 
     
     
       15. The light emitting device according to  claim 11 , wherein the first side, the second side and the middle portion are extended along a first direction, and the first part comprises a third side and a fourth side opposite to the third side, wherein the middle portion connects the third side and the fourth side, and the third side, the fourth side and the middle portion are extended along a second direction substantially perpendicular to the first direction. 
     
     
       16. The light emitting device according to  claim 15 , wherein a thickness of the third side and a thickness of the fourth side are thinner than a thickness of the middle portion. 
     
     
       17. The light emitting device according to  claim 15 , wherein a thickness of the third side is substantially equal to that of the fourth side. 
     
     
       18. The light emitting device according to  claim 15 , wherein the third side is extended downward and gets thinner from an edge of the middle portion, and the fourth side is extended upward and gets thinner from an edge of the middle portion. 
     
     
       19. The light emitting device according to  claim 15 , wherein a thickness of the fourth side is substantially equal to that of the middle portion, and the thickness of the second part is thinner than that of the fourth side. 
     
     
       20. The light emitting device according to  claim 15 , wherein the third side and the fourth side are formed as an asymmetrical structure. 
     
     
       21. A housing of a light emitting device, comprising:
 a first part, wherein the first part comprises a first side, a second side and a middle portion connecting the first side and the second side, and a thickness of the first side and a thickness of the second side are thinner than a thickness of the middle portion and wherein the first part has a first recess and an LED module is disposed within the first recess and disposed on the middle portion; and 
 a second part connected to the first part and having a second recess within which at least one electronic element is disposed to control the LED module, 
 wherein the first side, the second side and the middle portion extend along a first direction, and the first part further comprises a third side and a fourth side opposite to the third side, 
 wherein the thickness of the first side gets thinner from an edge of the middle portion to a first free end of the first side, and the thickness of the second side gets thinner from an edge of the middle portion to a second free end of the second side, 
 wherein the first free end of the first side and the second free end of the second side are extended downward 
 wherein the middle portion connects the third side and the fourth side, and the third side, the fourth side and the middle portion extend along a second direction substantially perpendicular to the first direction, and 
 wherein the third side extends downward below a bottom surface of the middle portion and becomes thinner from an edge of the middle portion, and the fourth side extends upward above a top surface of the middle portion and becomes thinner from an edge of the middle portion. 
 
     
     
       22. A light emitting device, comprising:
 a housing comprising a first part and a second part connected to the first part, wherein the first part comprises a first side, a second side and a middle portion connecting the first side and the second side, and a thickness of the first side and a thickness of the second side are thinner than a thickness of the middle portion and wherein the first part has a first recess; and 
 an LED module disposed within the first recess and disposed on the middle portion of the first part of the housing for emitting light, 
 wherein the second part has a second recess within which at least one electronic element is disposed to control the LED module, 
 wherein the first side, the second side and the middle portion extend along a first direction, and the first part further comprises a third side and a fourth side opposite to the third side, 
 wherein the thickness of the first side gets thinner from an edge of the middle portion to a first free end of the first side, and the thickness of the second side gets thinner from an edge of the middle portion to a second free end of the second side, 
 wherein the first free end of the first side and the second free end of the second side are extended downward, 
 wherein the middle portion connects the third side and the fourth side, and the third side, the fourth side and the middle portion extend along a second direction substantially perpendicular to the first direction, and 
 wherein the third side extends downward below a bottom surface of the middle portion and becomes thinner from an edge of the middle portion, and the fourth side extends upward above a top surface of the middle portion and becomes thinner from an edge of the middle portion. 
 
     
     
       23. The housing according to  claim 1 , wherein the housing is made from thermal conductive material and an extra heat spreader is not provided at a top surface of the first part or a top surface of the second part. 
     
     
       24. The housing according to  claim 1 , wherein the middle portion has a bottom plane, the first side has a first inner cambered surface which extends continuously downward, the second side has a second inner cambered surface which extends continuously downward, and the bottom plane connects the first inner cambered surface to the second inner cambered surface. 
     
     
       25. The light emitting device according to  claim 11 , wherein the housing is made from thermal conductive material and an extra heat spreader is not provided at a top surface of the first part or a top surface of the second part. 
     
     
       26. The light emitting device according to  claim 11 , wherein the middle portion has a bottom plane, the first side has a first inner cambered surface which extends continuously downward, the second side has a second inner cambered surface which extends continuously downward, and the bottom plane connects the first inner cambered surface and the second inner cambered surface.